如图所示，蒸汽挂烫机是通过发热体将水加热成灼热水蒸气并不断接触衣物，软化衣物的纤维组织的及其．下面是一种挂烫机的说明书．

世界上跨经度最广的大洋是

    11-year-old Jerome is good1running. He usually wins all of the races at Serpentine Primary School in Australia. However, after giving up2 a recent school race, the boy has won hearts of3 people. In the race, the kind boy ran back to walk with his good friend Seth and let him4the finishing line first.

    10-year-old Seth was born with cerebral palsy (脑瘫). Since he moved to the school last year, he5a lot of problems at school. Luckily, Jerome6to help him by the teachers with things like going to the toilet and showing him around. The two boys soon became good friends

    Because of his7Seth has a big head, some students laugh at his appearance. Jerome usually has a word with Tom, asking them 8that. Seth's father can't thank Jerome enough for looking after his son. "He is9 good kid." The two boys' story has spread quickly after Jerome's mother Susan shared it on social media. "These boys are champions10they didn't win," said the proud mother.